NULL pointer dereference in Linux kernel - CVE-2023-54272
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120769
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-54272
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ni_clear() function in fs/ntfs3/frecord.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2023-54272
Install update from vendor's repository.
Linux kernel - addressed in versions 5.15.113, 6.1.81, 6.3.4, 6.4
External References
- https://git.kernel.org/stable/c/20f9bfc664d6a478f9a5bbc0c380f80f7a1a06c6
- https://git.kernel.org/stable/c/39c6312009574ca73865354133ca222e7753a71b
- https://git.kernel.org/stable/c/e7675f85a92233136c630000a0b7cf97826705da
- https://git.kernel.org/stable/c/ec275bf9693d19cc0fdce8436f4c425ced86f6e7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4